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i2c: s3c2410: Print errno code in error logs 

The driver not always prints the error code in case of a failure but this
information can be very useful for debugging. So let's print if available.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Javier Martinez Canillas 2016-04-20 10:37:55 -04:00 committed by Wolfram Sang
parent 0915833bd5
commit 8f8edd491a
1 changed files with 3 additions and 2 deletions
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5
drivers/i2c/busses/i2c-s3c2410.c
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@ -926,7 +926,7 @@ static int s3c24xx_i2c_cpufreq_transition(struct notifier_block *nb,
i2c_unlock_adapter(&i2c->adap);
if (ret < 0)
dev_err(i2c->dev, "cannot find frequency\n");
dev_err(i2c->dev, "cannot find frequency (%d)\n", ret);
else
dev_info(i2c->dev, "setting freq %d\n", got);
}
@ -977,7 +977,8 @@ static int s3c24xx_i2c_parse_dt_gpio(struct s3c24xx_i2c *i2c)
ret = gpio_request(gpio, "i2c-bus");
if (ret) {
dev_err(i2c->dev, "gpio [%d] request failed\n", gpio);
dev_err(i2c->dev, "gpio [%d] request failed (%d)\n",
gpio, ret);
goto free_gpio;
}
}